CVE-2015-4291

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cisco IOS XE 2.x before 2.4.3 and 2.5.x before 2.5.1 on ASR 1000 devices allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted series of fragmented (1) IPv4 or (2) IPv6 packets, aka Bug ID CSCtd72617.

Vulnerabilidad en Cisco IOS XE 2.x en versiones anteriores a 2.4.3 y 2.5.x e versiones anteriores a 2.5.1 en dispositivos ASR 1000, permite a atacantes remotos provocar una denegación de servicio (caída de Embedded Services Processor) a través de una serie de paquetes fragmentados manipulados (1) IPv4 o (2) IPv6 manipulados, también conocida como Bug ID CSCtd72617.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-06-04 CVE Reserved
2015-08-01 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-399: Resource Management Errors

CAPEC

References (2)

URL	Tag	Source
http://www.securitytracker.com/id/1033131	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150730-asr1k	2015-08-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.1.0 Search vendor "Cisco" for product "Ios Xe" and version "2.1.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.1.1 Search vendor "Cisco" for product "Ios Xe" and version "2.1.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.1.2 Search vendor "Cisco" for product "Ios Xe" and version "2.1.2"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.2.1 Search vendor "Cisco" for product "Ios Xe" and version "2.2.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.2.2 Search vendor "Cisco" for product "Ios Xe" and version "2.2.2"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.2.3 Search vendor "Cisco" for product "Ios Xe" and version "2.2.3"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.3.0 Search vendor "Cisco" for product "Ios Xe" and version "2.3.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.3.0t Search vendor "Cisco" for product "Ios Xe" and version "2.3.0t"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.3.1t Search vendor "Cisco" for product "Ios Xe" and version "2.3.1t"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.3.2 Search vendor "Cisco" for product "Ios Xe" and version "2.3.2"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.4.0 Search vendor "Cisco" for product "Ios Xe" and version "2.4.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.4.1 Search vendor "Cisco" for product "Ios Xe" and version "2.4.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xe Search vendor "Cisco" for product "Ios Xe"				2.5.0 Search vendor "Cisco" for product "Ios Xe" and version "2.5.0"		-		Affected